Home / 32,725.87-45,160.42-20,000.37

Finding the Fourth Proportional to 32,725.87, 45,160.42 and 20,000.37

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Solution

The fourth proportional to 32,725.87, 45,160.42 and 20,000.37 is: 27,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,725.87 : 45,160.42 = 20,000.37 : x
  2. Step 2: Convert to fraction form
    32,725.87/45,160.42 = 20,000.37/x
  3. Step 3: Cross multiply
    32,725.87x = 45,160.42 × 20,000.37
  4. Step 4: Simplify right side
    32,725.87x = 903,225,109.36
  5. Step 5: Solve for x
    x = 903,225,109.36/32,725.87
  6. Step 6: Final answer
    x = 27,599.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.